Supercharge Scala Future | FP-Tower - IO Composition
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it beneficial to implement an IO API from scratch?
To avoid using complex libraries
To compete with existing libraries
To understand the underlying concepts better
To create a new open-source library
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the 'unsafeRun' method in the IO trait?
To initialize the IO trait
To execute the IO action
To handle errors in IO
To combine multiple IO actions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of the 'apply' method in the IO trait?
It constructs an IO with a by-name parameter
It executes IO actions immediately
It combines multiple IO actions
It handles errors in IO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'andThen' method do when combining IO actions?
Combines actions and keeps both results
Executes actions in reverse order
Combines actions and discards the first result
Executes actions in parallel
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbolic alias for 'andThen' in some libraries?
->
<-
=>
<=>
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using the 'map' method in IO?
It provides access to the result of an IO action
It allows combining two IO actions
It discards the result of an IO action
It executes IO actions immediately
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does 'flatMap' differ from 'map' in IO operations?
It combines actions without using results
It discards the result of the first action
It allows using the result of one action to determine the next
It executes actions in parallel
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